You certainly can, at least in some of their markets. The vast majority of my Uber/Lyft rides are carpool rides, frequently there are 3 of us in the car with th

You certainly can, at least in some of their markets. The vast majority of my Uber/Lyft rides are carpool rides, frequently there are 3 of us in the car with the driver. It's called Uber Pool, and Lyft Line.